<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        body {
            margin: 0 auto;
            text-align: center
        }
    </style>
</head>
<body>
<h1 style="color: red">404,你访问的页面去了月球~</h1>
<h2><a href="{{ url_for('home.index') }}">点击回家</a></h2>
</body>
</html>